CN106403161A - Anti-condensation air conditioner controlling method and device as well as air conditioner - Google Patents
Anti-condensation air conditioner controlling method and device as well as air conditioner Download PDFInfo
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- CN106403161A CN106403161A CN201610789456.XA CN201610789456A CN106403161A CN 106403161 A CN106403161 A CN 106403161A CN 201610789456 A CN201610789456 A CN 201610789456A CN 106403161 A CN106403161 A CN 106403161A
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- air
- temperature
- conditioning
- throttling arrangement
- condensation
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an anti-condensation air conditioner controlling method and device as well as an air conditioner. The anti-condensation air conditioner controlling method comprises the steps of measuring the temperature and the humidity of an indoor air return position and the surface temperature of an indoor heat exchanger after refrigeration operation of the air conditioner is detected; calculating the dew point temperature of indoor air according to the temperature and the humidity of the indoor air return position; calculating the temperature difference between the surface temperature of the indoor heat exchanger and the dew point temperature of the indoor air; and comparing the temperature difference with a preset temperature difference and controlling a normal operation throttling device and an anti-condensation throttling device of the air conditioner according to a comparison result. According to the method, the flow of a refrigerant entering the indoor heat exchanger side is controlled by controlling the anti-condensation throttling device of the air conditioner, so that the surface temperature of the indoor heat exchanger is controlled to be higher than the dew point temperature of the indoor air all along, and the anti-condensation purpose is achieved.
Description
Technical field
The present invention relates to a kind of air conditioner controlling technology, in particular to a kind of anti-condensation air conditioning control method, air-conditioning
Control device and air-conditioning.
Background technology
The use environment of air-conditioner is more and more severe, and in particular, air-conditioning freezes easy condensation in the environment of low humidity.Cause
The reason condensation, has a lot, for example vaporizer bias current, supercool etc..The anti-condensation means of air-conditioning are also very many in the market, example
As reduced system operation frequency, increasing electric heater unit, paste flannelette etc..The basic condition of air-conditioning condensation is room conditioning heat exchange
The surface temperature of device is less than the dew point temperature of room air, but, the anti-condensation control method of these air-conditionings is not fundamentally
Solve problem, is the control method that some delay air-conditioning condensation, does not really realize the anti-condensation of air-conditioning.
Content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
For this reason, it is an object of the present invention to proposing a kind of anti-condensation air conditioning control method, by controlling air-conditioning
Anti-condensation throttling arrangement controlling the cold medium flux getting in heat exchanger side, thus controlling the surface temperature of indoor heat exchanger
Degree, so that the surface temperature of indoor heat exchanger is consistently higher than the dew point temperature of room air, reaches anti-condensation purpose.
Further object is that proposing a kind of anti-condensation air conditioning control device.
A further object of the present invention is to propose a kind of air-conditioning.
In view of this, the present invention proposes a kind of anti-condensation air conditioning control method, including：Air conditioner refrigerating fortune is being detected
After row, measure the temperature and humidity at indoor return air, and the surface temperature of indoor heat exchanger；According to the temperature at indoor return air
Calculate the dew point temperature of room air with humidity；Calculate the surface temperature of indoor heat exchanger and room air dew point temperature it
Between the temperature difference；And the temperature difference is compared with fiducial temperature, and control the normal operation throttling dress of air-conditioning according to comparative result
Put the anti-condensation throttling arrangement with air-conditioning.
In technique scheme, after air conditioner refrigerating operation is detected, measure the temperature and humidity at indoor return air, with
And the surface temperature of indoor heat exchanger, the dew point of room air is calculated according to the temperature and humidity at the indoor return air that measurement obtains
Temperature, further calculates the temperature difference between the surface temperature of indoor heat exchanger and the dew point temperature of room air, by this temperature difference
It is compared with fiducial temperature, it is known that air-conditioning continues whether refrigerating operaton has condensation dangerous, finally, according to comparative result control
The normal operation throttling arrangement of air-conditioning processed and the anti-condensation throttling arrangement of air-conditioning, by controlling the anti-condensation throttling arrangement control of air-conditioning
System gets in the cold medium flux of heat exchanger side, thus controlling the surface temperature of indoor heat exchanger so that the table of indoor heat exchanger
Face temperature is consistently higher than the dew point temperature of room air, reaches anti-condensation purpose.
In addition, according to the above-mentioned air conditioning control method of the present invention, can also have the technical characteristic adding as follows：
It is preferable that be compared the temperature difference with fiducial temperature in technique scheme, and controlled empty according to comparative result
The normal operation throttling arrangement adjusted and the anti-condensation throttling arrangement of air-conditioning, specifically include：When the temperature difference is more than fiducial temperature, control
The normal operation throttling arrangement of air-conditioning is opened, and controls the anti-condensation throttling arrangement of air-conditioning to close simultaneously；When the temperature difference is less than or equal in advance
If during the temperature difference, control the anti-condensation throttling arrangement of air-conditioning to open, control the normal operation throttling arrangement of air-conditioning to close simultaneously.
In this technical scheme, when the temperature difference is more than fiducial temperature, illustrate that air-conditioner continues refrigerating operaton and do not have condensation
Danger, the surface temperature of indoor heat exchanger is higher than the dew point temperature of room air, therefore controls the normal operation throttling dress of air-conditioning
Put unlatching, control the anti-condensation throttling arrangement of air-conditioning to close simultaneously；When the temperature difference is less than or equal to fiducial temperature, illustrate that air-conditioner continues
Continuous refrigerating operaton has the danger of condensation, the easy condensation of air-conditioning, therefore controls the normal operation throttling arrangement of air-conditioning to close, same to time control
The anti-condensation throttling arrangement of air-conditioning processed is opened, and the stream getting in heat exchanger side coolant is contained in opening of anti-condensation throttling arrangement
Amount, thus raise the surface temperature of indoor heat exchanger so that the surface temperature of indoor heat exchanger is consistently higher than the dew of room air
Point temperature, reaches anti-condensation purpose.
The present invention also proposes a kind of anti-condensation air conditioning control device, including：Temperature and humidity measuring unit, in inspection
After measuring air conditioner refrigerating operation, measure the temperature and humidity at indoor return air, and be additionally operable to measure the surface of indoor heat exchanger
Temperature；Computing unit, for calculating the dew point temperature of room air according to the temperature and humidity at indoor return air, and calculates
The temperature difference between the surface temperature of indoor heat exchanger and the dew point temperature of room air；And control unit, for by the temperature difference with
Fiducial temperature is compared, and controls the normal operation throttling arrangement of air-conditioning and the anti-condensation throttling dress of air-conditioning according to comparative result
Put.
In technique scheme, the anti-condensation air conditioning control device that the present invention provides, after air conditioner refrigerating runs, work as room
When the surface temperature of interior heat exchanger is less than the dew point temperature of room air, air-conditioning easy condensation in the environment of low humidity.Therefore, originally
Temperature and humidity measuring unit is passed through in invention, the temperature and humidity after air conditioner refrigerating operation is detected, at measurement indoor return air
And the surface temperature of indoor heat exchanger, by computing unit, according to the temperature and humidity meter at the indoor return air that measurement obtains
Calculate the dew point temperature of room air, further calculate surface temperature and the room air of indoor heat exchanger by computing unit
Dew point temperature between the temperature difference, this temperature difference and fiducial temperature are compared, it is known that whether air-conditioning continues refrigerating operaton
There is condensation dangerous, finally by control unit, the normal operation throttling arrangement of air-conditioning and the anti-of air-conditioning are controlled according to comparative result
Condensation throttling arrangement, controls, by controlling the anti-condensation throttling arrangement of air-conditioning, the cold medium flux getting in heat exchanger side, thus
Control indoor heat exchanger surface temperature so that the surface temperature of indoor heat exchanger is consistently higher than the dew point temperature of room air,
Reach anti-condensation purpose.
In addition, according to the above-mentioned air conditioning control device of the present invention, can also have the technical characteristic adding as follows：
It is preferable that temperature and humidity measuring unit also includes in technique scheme：First temperature sensor, first
Temperature sensor is arranged at indoor return air, for measuring the temperature at indoor return air；Humidity sensor, humidity sensor is installed
Indoors at return air, for measuring the humidity at indoor return air；And second temperature sensor, second temperature sensor is arranged on
At indoor heat exchanger, for measuring the surface temperature of indoor heat exchanger.
In this technical scheme, by respectively by the first temperature sensor, humidity sensor and second temperature sensor
It is arranged on different positions, the standard of the surface temperature measurement of temperature and humidity and indoor heat exchanger at indoor return air can be improved
Really property, and then the dew point temperature of room air can be calculated exactly, finally it is calculated indoor heat exchanger exactly
The temperature difference between surface temperature and the dew point temperature of room air, improves the reliability that air conditioning control device controls.
It is preferable that control unit is used for, when the temperature difference is more than fiducial temperature, just controlling air-conditioning in technique scheme
Often run throttling arrangement to open, control the anti-condensation throttling arrangement of air-conditioning to close simultaneously；When the temperature difference is less than or equal to fiducial temperature,
The anti-condensation throttling arrangement controlling air-conditioning is opened, and controls the normal operation throttling arrangement of air-conditioning to close simultaneously.
In this technical scheme, when the temperature difference is more than fiducial temperature, illustrate that air-conditioner continues refrigerating operaton and do not have condensation
Danger, illustrate indoor heat exchanger surface temperature be higher than room air dew point temperature, air-conditioning will not condensation, therefore pass through control
Unit controls the normal operation throttling arrangement of air-conditioning to open, and controls the anti-condensation throttling arrangement of air-conditioning to close simultaneously；When the temperature difference is little
When equal to fiducial temperature, illustrate that air-conditioner continues refrigerating operaton and has the danger of condensation, the easy condensation of air-conditioning, therefore pass through to control
Unit controls the normal operation throttling arrangement of air-conditioning to close, and controls the anti-condensation throttling arrangement of air-conditioning to open, anti-condensation section simultaneously
The containment of opening of stream device gets in the flow of heat exchanger side coolant, thus raise indoor heat exchanger surface temperature so that
The surface temperature of indoor heat exchanger is consistently higher than the dew point temperature of room air, reaches anti-condensation purpose.
Air-conditioning according to an embodiment of the invention, can include：Normal operation throttling arrangement；Anti-condensation throttling dress
Put；Air conditioning control device.
Alternatively, air-conditioning can also include：First valve, one end of the first valve is with normal one end running throttling arrangement even
Connect；Second valve, one end of the second valve is connected with one end of anti-condensation throttling arrangement；Air conditioning control device passes through to control the first valve
Open and close and to control the normal opening and closing running throttling arrangement, and by control the opening and closing of the second valve Lai
Control the opening and closing of anti-condensation throttling arrangement.
Alternatively, air-conditioning can also include：Indoor heat-exchanger rig, one end of indoor heat-exchanger rig connects to the one of compressor
End, the other end connects the other end of the other end to the first valve and the second valve；Outdoor heat exchange device, one end of outdoor heat exchange device
It is connected with the other end of compressor, the other end runs the other end of throttling arrangement and the other end of anti-condensation throttling arrangement with normal
Connect；Compressor, is connected between outdoor heat exchange device and indoor heat-exchanger rig.
In this embodiment, alternatively, indoor heat-exchanger rig, including indoor heat exchanger；Outdoor heat exchange device, including outdoor
Heat exchanger.
In this embodiment, alternatively, the first valve and the second valve can be electromagnetic valve.
Such air-conditioning passes through for indoor heat-exchanger rig, the first valve and the second valve, throttling arrangement (normally to run throttling arrangement
With anti-condensation throttling arrangement), outdoor heat exchange device and compressor intactly connect into a path.Air conditioning control device passes through control
Make the opening and closing of the first valve to control the normal opening and closing running throttling arrangement, and by controlling opening of the second valve
Open and close the opening and closing to control anti-condensation throttling arrangement, the unlatching containment of anti-condensation throttling arrangement gets in heat exchange
The flow of device side coolant, thus raise the surface temperature of indoor heat exchanger so that the surface temperature of indoor heat exchanger is consistently higher than
The dew point temperature of room air, reaches anti-condensation purpose, lifts the experience to air-conditioning for the user, and the first valve and second
Valve is electromagnetic valve it is ensured that the precision of airconditioning control and motility.
Brief description
Fig. 1 shows the schematic flow sheet of anti-condensation air conditioning control method according to an embodiment of the invention；
Fig. 2 shows the schematic flow sheet of anti-condensation air conditioning control method according to another embodiment of the present invention；
Fig. 3 shows the schematic diagram of anti-condensation air conditioning control device according to an embodiment of the invention；
Fig. 4 shows air-conditioning schematic diagram according to an embodiment of the invention；
Fig. 5 shows air-conditioning schematic diagram according to another embodiment of the present invention.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specifically real
Mode of applying is further described in detail to the present invention.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the present invention, but, the present invention also may be used
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not limited to following public affairs
The restriction of the specific embodiment opened.
Fig. 1 shows the schematic flow sheet of anti-condensation air conditioning control method according to an embodiment of the invention.As
Shown in Fig. 1, including：
Step 102, after air conditioner refrigerating operation is detected, measures the temperature and humidity at indoor return air, and interior is changed
The surface temperature of hot device；
Step 104, calculates the dew point temperature of room air according to the temperature and humidity at indoor return air；
Step 106, calculates the temperature difference between the surface temperature of indoor heat exchanger and the dew point temperature of room air；And
Step 108, the temperature difference is compared with fiducial temperature, and controls the normal operation throttling of air-conditioning according to comparative result
Device and the anti-condensation throttling arrangement of air-conditioning.
In this embodiment, after air conditioner refrigerating operation is detected, measure the temperature and humidity at indoor return air, and room
The surface temperature of interior heat exchanger, calculates the dew point temperature of room air according to the temperature and humidity at the indoor return air that measurement obtains
Degree, further calculates the temperature difference between the surface temperature of indoor heat exchanger and the dew point temperature of room air, by this temperature difference with
Fiducial temperature is compared, it is known that air-conditioning continues whether refrigerating operaton has condensation dangerous, finally, according to comparative result control
The normal operation throttling arrangement of air-conditioning and the anti-condensation throttling arrangement of air-conditioning, are controlled by controlling the anti-condensation throttling arrangement of air-conditioning
Get in the cold medium flux of heat exchanger side, thus controlling the surface temperature of indoor heat exchanger so that the surface of indoor heat exchanger
Temperature is consistently higher than the dew point temperature of room air, reaches anti-condensation purpose.
Fig. 2 shows the schematic flow sheet of anti-condensation air conditioning control method according to another embodiment of the present invention.As
Shown in Fig. 2, including：
Step 202, determines the normal refrigerating operaton of air-conditioner；
Step 204, the temperature and humidity at measurement indoor return air, and surface temperature T of indoor heat exchanger2；
Step 206, calculates dew point temperature T of room air according to the temperature and humidity at indoor return air0；
Step 208, calculates surface temperature T of indoor heat exchanger2Dew point temperature T with room air0Between the temperature difference；
Step 210, compares whether the temperature difference is more than fiducial temperature；When the temperature difference is more than fiducial temperature, proceed to step 212；
When the temperature difference is less than or equal to fiducial temperature, proceed to step 214；
Step 212, controls the normal operation throttling arrangement of air-conditioning to open, and controls the anti-condensation throttling arrangement of air-conditioning to close simultaneously
Close；
Step 214, controls the anti-condensation throttling arrangement of air-conditioning to open, and controls the normal operation throttling arrangement of air-conditioning to close simultaneously
Close.
In this embodiment, after the present invention confirms the normal refrigerating operaton of air-conditioning, measure the temperature and humidity at indoor return air,
And surface temperature T of indoor heat exchanger2, room air is calculated according to the temperature and humidity at the indoor return air that measurement obtains
Dew point temperature T0, further calculate surface temperature T of indoor heat exchanger2Dew point temperature T with room air0Between the temperature difference,
This temperature difference and fiducial temperature are compared, it is known that air-conditioning continues whether refrigerating operaton has condensation dangerous.When the temperature difference is more than
During fiducial temperature, illustrate that air-conditioner continues refrigerating operaton and do not have the danger of condensation, the surface temperature of indoor heat exchanger is higher than interior
The dew point temperature of air, therefore controls the normal operation throttling arrangement of air-conditioning to open, and controls the anti-condensation throttling dress of air-conditioning simultaneously
Put closing；When the temperature difference is less than or equal to fiducial temperature, illustrate that air-conditioner continues refrigerating operaton and has the danger of condensation, air-conditioning easily coagulates
Dew, therefore controls the normal operation throttling arrangement of air-conditioning to close, and controls the anti-condensation throttling arrangement of air-conditioning to open simultaneously, anti-condensation
The flow getting in heat exchanger side coolant is contained in opening of throttling arrangement, thus raising the surface temperature of indoor heat exchanger, makes
The surface temperature obtaining indoor heat exchanger is consistently higher than the dew point temperature of room air, reaches anti-condensation purpose.
Fig. 3 shows the schematic diagram of anti-condensation air conditioning control device according to an embodiment of the invention.As Fig. 3 institute
Show, including：
Temperature and humidity measuring unit 302, for the temperature after air conditioner refrigerating operation is detected, at measurement indoor return air
And humidity, and it is additionally operable to measure the surface temperature of indoor heat exchanger；
Computing unit 304, for calculating the dew point temperature of room air according to the temperature and humidity at indoor return air, with
And calculate the temperature difference between the surface temperature of indoor heat exchanger and the dew point temperature of room air；And
Control unit 306, for being compared the temperature difference with fiducial temperature, and controls the normal of air-conditioning according to comparative result
Run the anti-condensation throttling arrangement of throttling arrangement and air-conditioning.
In this embodiment, by temperature and humidity measuring unit 302, after air conditioner refrigerating operation is detected, measuring chamber
Temperature and humidity at interior return air and the surface temperature of indoor heat exchanger, according to the temperature at the indoor return air that obtains of measurement and
Humidity, calculates the dew point temperature of room air by computing unit 304, and computing unit 304 further calculates interior and changes
The temperature difference between the surface temperature of hot device and the dew point temperature of room air, this temperature difference and fiducial temperature are compared, permissible
Know that air-conditioning continues whether refrigerating operaton has condensation dangerous, finally by control unit 306, controls air-conditioning according to comparative result
The normal anti-condensation throttling arrangement running throttling arrangement and air-conditioning, controls into entering the room by controlling the anti-condensation throttling arrangement of air-conditioning
The cold medium flux of interior heat exchanger side, thus control the surface temperature of indoor heat exchanger so that the surface temperature of indoor heat exchanger begins
It is higher than the dew point temperature of room air eventually, reach anti-condensation purpose.
In one embodiment of the invention it is preferable that temperature and humidity measuring unit also includes：First temperature sensing
Device, the first temperature sensor is arranged at indoor return air, for measuring the temperature at indoor return air；Humidity sensor, humidity passes
Sensor is arranged at indoor return air, for measuring the humidity at indoor return air；And second temperature sensor, second temperature sensing
Device is arranged at indoor heat exchanger, for measuring the surface temperature of indoor heat exchanger.
In this embodiment, by pacifying the first temperature sensor, humidity sensor and second temperature sensor respectively
It is contained in different positions so that the surface temperature of temperature and humidity and indoor heat exchanger is surveyed respectively exactly at indoor return air
Amount, can improve the accuracy of the surface temperature measurement of temperature and humidity and indoor heat exchanger at indoor return air, and then permissible
It is calculated the dew point temperature of room air exactly, be finally calculated surface temperature and the interior of indoor heat exchanger exactly
The temperature difference between the dew point temperature of air, improves the reliability that air conditioning control device controls.
In one embodiment of the invention it is preferable that control unit is used for, when the temperature difference is more than fiducial temperature, controlling empty
The normal operation throttling arrangement adjusted is opened, and controls the anti-condensation throttling arrangement of air-conditioning to close simultaneously；When the temperature difference is less than or equal to preset
During the temperature difference, control the anti-condensation throttling arrangement of air-conditioning to open, control the normal operation throttling arrangement of air-conditioning to close simultaneously.
In this embodiment, when the temperature difference is more than fiducial temperature, illustrate that air-conditioner continues refrigerating operaton and do not have the danger of condensation
Danger, illustrate indoor heat exchanger surface temperature be higher than room air dew point temperature, air-conditioning will not condensation, therefore pass through control list
Unit controls the normal operation throttling arrangement of air-conditioning to open, and controls the anti-condensation throttling arrangement of air-conditioning to close simultaneously；When the temperature difference is less than
During equal to fiducial temperature, illustrate that air-conditioner continues refrigerating operaton and has the danger of condensation, the easy condensation of air-conditioning, therefore pass through to control list
Unit controls the normal operation throttling arrangement of air-conditioning to close, and controls the anti-condensation throttling arrangement of air-conditioning to open, anti-condensation throttling simultaneously
The containment of opening of device gets in the flow of heat exchanger side coolant, thus raising the surface temperature of indoor heat exchanger so that room
The surface temperature of interior heat exchanger is consistently higher than the dew point temperature of room air, reaches anti-condensation purpose.
Fig. 4 shows air-conditioning 400 schematic diagram according to an embodiment of the invention.As shown in figure 4, can include：Just
Often run throttling arrangement 402；Anti-condensation throttling arrangement 404；Air conditioning control device 406.
In the above-described embodiments, when air-conditioning 400 continue to run with occur condensation dangerous when, air-conditioning 400 is by air-conditioning control
Device 406 processed controls normal operation throttling arrangement 402 and anti-condensation throttling arrangement 406, reaches anti-condensation purpose.
In this embodiment, alternatively, air-conditioning can also include：First valve, throttling is run with normal in one end of the first valve
One end of device connects；Second valve, one end of the second valve is connected with one end of anti-condensation throttling arrangement；Air conditioning control device passes through
The opening and closing of the first valve are controlled to control the normal opening and closing running throttling arrangement, and by controlling the second valve
Open and close and to control the opening and closing of anti-condensation throttling arrangement.
In this embodiment, alternatively, air-conditioning can also include：Indoor heat-exchanger rig, one end of indoor heat-exchanger rig is even
It is connected to one end of compressor, the other end connects the other end of the other end to the first valve and the second valve；Outdoor heat exchange device, outdoor
One end of heat-exchanger rig is connected with the other end of compressor, the other end and the normally other end of operation throttling arrangement and anti-condensation section
The other end of stream device connects；Compressor, is connected between outdoor heat exchange device and indoor heat-exchanger rig.
In this embodiment, alternatively, indoor heat-exchanger rig, including indoor heat exchanger；Outdoor heat exchange device, including outdoor
Heat exchanger.
In this embodiment, alternatively, the first valve and the second valve can be electromagnetic valve.
Fig. 5 shows air-conditioning 500 schematic diagram according to another embodiment of the present invention.As shown in figure 5, including：Normal fortune
Row throttling arrangement 502；Anti-condensation throttling arrangement 504；Air conditioning control device 506 (not shown)；First valve 508, the first valve 508
One end is connected with normal one end running throttling arrangement 502；Second valve 510, one end of the second valve 510 and anti-condensation throttling arrangement
504 one end connects；Air conditioning control device 506 (not shown) is controlled normally by controlling the opening and closing of the first valve 508
Run the opening and closing of throttling arrangement 502, and control anti-condensation throttling by controlling the opening and closing of the second valve 510
The opening and closing of device 504；Indoor heat-exchanger rig 512, one end of indoor heat-exchanger rig 512 connects to the one of compressor 516
End, the other end connects the other end of the other end to the first valve 508 and the second valve 510；Outdoor heat exchange device 514, outdoor heat exchange
One end of device 514 is connected with the other end of compressor 516, and the other end runs the other end of throttling arrangement 502 and prevents with normal
The other end of condensation throttling arrangement 504 connects；Compressor 516, is connected to outdoor heat exchange device 512 and indoor heat-exchanger rig 514
Between.
In specific embodiment, air-conditioning 500 passes through indoor heat-exchanger rig 512, the first valve 508 and the second valve 510, throttling dress
Put (normal operation throttling arrangement 502 and anti-condensation throttling arrangement 504), outdoor heat exchange device 514 and compressor 516 intactly to connect
It is connected into a path.Air conditioning control device 506 controls normal operation throttling dress by controlling the opening and closing of the first valve 508
Put 502 opening and closing, and control anti-condensation throttling arrangement 504 by controlling the opening and closing of the second valve 510
Open and close, opening of anti-condensation throttling arrangement 504 contains the flow getting in heat exchanger side coolant, thus raising interior
The surface temperature of heat exchanger, so that the surface temperature of indoor heat exchanger is consistently higher than the dew point temperature of room air, reaches anti-condensation
The purpose of dew, lifts the experience to air-conditioning 500 for the user, and the first valve 508 and the second valve 510 are electromagnetic valve, Ke Yibao
Precision and motility that card air-conditioning 500 controls.
In the above-described embodiments, alternatively, indoor heat-exchanger rig 512, can include indoor heat exchanger；Outdoor heat exchange device
514, outdoor heat exchanger can be included.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of anti-condensation air conditioning control method is it is characterised in that include：
After air conditioner refrigerating operation is detected, measure the temperature and humidity at indoor return air, and the surface temperature of indoor heat exchanger
Degree；
Calculate the dew point temperature of room air according to the temperature and humidity at described indoor return air；
Calculate the temperature difference between the surface temperature of described indoor heat exchanger and the dew point temperature of described room air；And
The described temperature difference and fiducial temperature are compared, and control the normal operation throttling arrangement of described air-conditioning according to comparative result
Anti-condensation throttling arrangement with described air-conditioning.
2. air conditioning control method according to claim 1 it is characterised in that
Described the described temperature difference and fiducial temperature are compared, and control the normal operation throttling of described air-conditioning according to comparative result
Device and the anti-condensation throttling arrangement of described air-conditioning, specifically include：
When the described temperature difference is more than described fiducial temperature, controls the normal operation throttling arrangement of described air-conditioning to open, control simultaneously
The anti-condensation throttling arrangement of described air-conditioning cuts out；
When the described temperature difference is less than or equal to described fiducial temperature, the anti-condensation throttling arrangement of described air-conditioning is controlled to open, same to time control
The normal operation throttling arrangement making described air-conditioning cuts out.
3. a kind of anti-condensation air conditioning control device is it is characterised in that include：
Temperature and humidity measuring unit, for, after air conditioner refrigerating operation is detected, measuring the temperature and humidity at indoor return air,
And be additionally operable to measure the surface temperature of indoor heat exchanger；
Computing unit, for calculating the dew point temperature of room air according to the temperature and humidity at described indoor return air, and
Calculate the temperature difference between the surface temperature of described indoor heat exchanger and the dew point temperature of described room air；And
Control unit, for being compared the described temperature difference and fiducial temperature, and is just controlling described air-conditioning according to comparative result
Often run the anti-condensation throttling arrangement of throttling arrangement and described air-conditioning.
4. air conditioning control device according to claim 3 is it is characterised in that described temperature and humidity measuring unit is also wrapped
Include：
First temperature sensor, described first temperature sensor is arranged at described indoor return air, for measuring described indoor time
Temperature at wind；
Humidity sensor, described humidity sensor is arranged at described indoor return air, wet at described indoor return air for measuring
Degree；And
Second temperature sensor, described second temperature sensor is arranged at described indoor heat exchanger, for measuring indoor heat exchange
The surface temperature of device.
5. the air conditioning control device according to claim 3 or 4 is it is characterised in that described control unit is used for when described temperature
When difference is more than described fiducial temperature, controls the normal operation throttling arrangement of described air-conditioning to open, control the anti-of described air-conditioning simultaneously
Condensation throttling arrangement cuts out；
When the described temperature difference is less than or equal to described fiducial temperature, the anti-condensation throttling arrangement of described air-conditioning is controlled to open, same to time control
The normal operation throttling arrangement making described air-conditioning cuts out.
6. a kind of air-conditioning is it is characterised in that include：
Normal operation throttling arrangement；
Anti-condensation throttling arrangement；And
Air conditioning control device as any one of according to claim 3 to 5.
7. air-conditioning according to claim 6 is it is characterised in that also include：
First valve, one end of described first valve is connected with described normal one end running throttling arrangement；
Second valve, one end of described second valve is connected with one end of described anti-condensation throttling arrangement；
Described air conditioning control device controls described normal operation throttling arrangement by controlling the opening and closing of described first valve
Opening and closing, and control the unlatching of described anti-condensation throttling arrangement by controlling the opening and closing of described second valve
And closing.
8. air-conditioning according to claim 7 is it is characterised in that also include：
Indoor heat-exchanger rig, one end of described interior heat-exchanger rig connects to one end of compressor, and the other end connects to described the
The other end of one valve and the other end of described second valve；
Outdoor heat exchange device, one end of described outdoor heat exchange device is connected with the other end of described compressor, the other end with described
The other end of the normal other end running throttling arrangement and described anti-condensation throttling arrangement connects；
Described compressor, is connected between described outdoor heat exchange device and described interior heat-exchanger rig.
9. air-conditioning according to claim 8 it is characterised in that
Indoor heat-exchanger rig, including indoor heat exchanger；
Outdoor heat exchange device, including outdoor heat exchanger.
10. the air-conditioning according to any one of claim 7 to 9 is it is characterised in that described first valve and the second valve are electromagnetism
Valve.
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| CN107192016A (en) * | 2017-05-17 | 2017-09-22 | Tcl空调器(中山)有限公司 | Air conditioner and its anti-dew method |
| CN107367023A (en) * | 2017-08-03 | 2017-11-21 | 青岛海尔空调器有限总公司 | For controlling the method and device of air-conditioning |
| CN107421061A (en) * | 2017-07-06 | 2017-12-01 | 青岛海尔空调器有限总公司 | The condensation prevention control method and device of air conditioner |
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